5. Bluetooth Headphones

Nothing kills a set of heavy squats faster than hearing Iggy Azalea blaring throughout the gym. Instead, bring your own music and get in the zone to lift weights.

I’ll add, that having a loose cord dangling on your body while running, lifting, and twisting can throw off your movement or — in my case — catapult your phone across the room. Invest in Bluetooth headphones that don’t fall off your ears when moving and have enough volume to drown out ambient noises and increase your focus.